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Finding the Fourth Proportional to 567.32, 782.64 and 370.80

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Solution

The fourth proportional to 567.32, 782.64 and 370.80 is: 511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.32 : 782.64 = 370.80 : x
  2. Step 2: Convert to fraction form
    567.32/782.64 = 370.80/x
  3. Step 3: Cross multiply
    567.32x = 782.64 × 370.80
  4. Step 4: Simplify right side
    567.32x = 290,202.91
  5. Step 5: Solve for x
    x = 290,202.91/567.32
  6. Step 6: Final answer
    x = 511.54

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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.