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Finding the Fourth Proportional to 657.38, 907.22 and 362.66

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Solution

The fourth proportional to 657.38, 907.22 and 362.66 is: 500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    657.38 : 907.22 = 362.66 : x
  2. Step 2: Convert to fraction form
    657.38/907.22 = 362.66/x
  3. Step 3: Cross multiply
    657.38x = 907.22 × 362.66
  4. Step 4: Simplify right side
    657.38x = 329,006.06
  5. Step 5: Solve for x
    x = 329,006.06/657.38
  6. Step 6: Final answer
    x = 500.48

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.