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Finding the Fourth Proportional to 582.64, 873.78 and 514.24

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Solution

The fourth proportional to 582.64, 873.78 and 514.24 is: 771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.64 : 873.78 = 514.24 : x
  2. Step 2: Convert to fraction form
    582.64/873.78 = 514.24/x
  3. Step 3: Cross multiply
    582.64x = 873.78 × 514.24
  4. Step 4: Simplify right side
    582.64x = 449,332.63
  5. Step 5: Solve for x
    x = 449,332.63/582.64
  6. Step 6: Final answer
    x = 771.20

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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.