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Finding the Fourth Proportional to 617.55, 926.27 and 252.24

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Solution

The fourth proportional to 617.55, 926.27 and 252.24 is: 378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.55 : 926.27 = 252.24 : x
  2. Step 2: Convert to fraction form
    617.55/926.27 = 252.24/x
  3. Step 3: Cross multiply
    617.55x = 926.27 × 252.24
  4. Step 4: Simplify right side
    617.55x = 233,642.34
  5. Step 5: Solve for x
    x = 233,642.34/617.55
  6. Step 6: Final answer
    x = 378.34

Related Problems

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Half scale
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Double scale
Find fourth proportional to 618.55, 927.77 and 253.24
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.