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Finding the Fourth Proportional to 637.27, 955.25 and 247.16

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Solution

The fourth proportional to 637.27, 955.25 and 247.16 is: 370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.27 : 955.25 = 247.16 : x
  2. Step 2: Convert to fraction form
    637.27/955.25 = 247.16/x
  3. Step 3: Cross multiply
    637.27x = 955.25 × 247.16
  4. Step 4: Simplify right side
    637.27x = 236,098.35
  5. Step 5: Solve for x
    x = 236,098.35/637.27
  6. Step 6: Final answer
    x = 370.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 638.27, 956.74 and 248.16
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.