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Finding the Fourth Proportional to 525.66, 787.11 and 370.75

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Solution

The fourth proportional to 525.66, 787.11 and 370.75 is: 555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.66 : 787.11 = 370.75 : x
  2. Step 2: Convert to fraction form
    525.66/787.11 = 370.75/x
  3. Step 3: Cross multiply
    525.66x = 787.11 × 370.75
  4. Step 4: Simplify right side
    525.66x = 291,817.10
  5. Step 5: Solve for x
    x = 291,817.10/525.66
  6. Step 6: Final answer
    x = 555.14

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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.