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Finding the Fourth Proportional to 552.02, 828.23 and 259.61

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Solution

The fourth proportional to 552.02, 828.23 and 259.61 is: 389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.02 : 828.23 = 259.61 : x
  2. Step 2: Convert to fraction form
    552.02/828.23 = 259.61/x
  3. Step 3: Cross multiply
    552.02x = 828.23 × 259.61
  4. Step 4: Simplify right side
    552.02x = 215,011.35
  5. Step 5: Solve for x
    x = 215,011.35/552.02
  6. Step 6: Final answer
    x = 389.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 553.02, 829.73 and 260.61
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.