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Finding the Fourth Proportional to 461.07, 691.47 and 358.47

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Solution

The fourth proportional to 461.07, 691.47 and 358.47 is: 537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.07 : 691.47 = 358.47 : x
  2. Step 2: Convert to fraction form
    461.07/691.47 = 358.47/x
  3. Step 3: Cross multiply
    461.07x = 691.47 × 358.47
  4. Step 4: Simplify right side
    461.07x = 247,871.25
  5. Step 5: Solve for x
    x = 247,871.25/461.07
  6. Step 6: Final answer
    x = 537.60

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