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Finding the Fourth Proportional to 562.90, 775.59 and 524.80

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Solution

The fourth proportional to 562.90, 775.59 and 524.80 is: 723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.90 : 775.59 = 524.80 : x
  2. Step 2: Convert to fraction form
    562.90/775.59 = 524.80/x
  3. Step 3: Cross multiply
    562.90x = 775.59 × 524.80
  4. Step 4: Simplify right side
    562.90x = 407,030.60
  5. Step 5: Solve for x
    x = 407,030.60/562.90
  6. Step 6: Final answer
    x = 723.09

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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.