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Finding the Fourth Proportional to 585.01, 877.31 and 174.15

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Solution

The fourth proportional to 585.01, 877.31 and 174.15 is: 261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.01 : 877.31 = 174.15 : x
  2. Step 2: Convert to fraction form
    585.01/877.31 = 174.15/x
  3. Step 3: Cross multiply
    585.01x = 877.31 × 174.15
  4. Step 4: Simplify right side
    585.01x = 152,782.67
  5. Step 5: Solve for x
    x = 152,782.67/585.01
  6. Step 6: Final answer
    x = 261.16

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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.