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Finding the Fourth Proportional to 504.45, 756.63 and 244.35

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Solution

The fourth proportional to 504.45, 756.63 and 244.35 is: 366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.45 : 756.63 = 244.35 : x
  2. Step 2: Convert to fraction form
    504.45/756.63 = 244.35/x
  3. Step 3: Cross multiply
    504.45x = 756.63 × 244.35
  4. Step 4: Simplify right side
    504.45x = 184,882.54
  5. Step 5: Solve for x
    x = 184,882.54/504.45
  6. Step 6: Final answer
    x = 366.50

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Find fourth proportional to 252.23, 378.32 and 122.18
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Double scale
Find fourth proportional to 505.45, 758.13 and 245.35
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.