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Finding the Fourth Proportional to 908.07, 1,253.66 and 598.47

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Solution

The fourth proportional to 908.07, 1,253.66 and 598.47 is: 826.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    908.07 : 1,253.66 = 598.47 : x
  2. Step 2: Convert to fraction form
    908.07/1,253.66 = 598.47/x
  3. Step 3: Cross multiply
    908.07x = 1,253.66 × 598.47
  4. Step 4: Simplify right side
    908.07x = 750,274.91
  5. Step 5: Solve for x
    x = 750,274.91/908.07
  6. Step 6: Final answer
    x = 826.23

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Double scale
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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.