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Finding the Fourth Proportional to 658.66, 987.54 and 598.36

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Solution

The fourth proportional to 658.66, 987.54 and 598.36 is: 897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    658.66 : 987.54 = 598.36 : x
  2. Step 2: Convert to fraction form
    658.66/987.54 = 598.36/x
  3. Step 3: Cross multiply
    658.66x = 987.54 × 598.36
  4. Step 4: Simplify right side
    658.66x = 590,904.43
  5. Step 5: Solve for x
    x = 590,904.43/658.66
  6. Step 6: Final answer
    x = 897.13

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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.