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Finding the Fourth Proportional to 525.04, 787.26 and 360.70

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Solution

The fourth proportional to 525.04, 787.26 and 360.70 is: 540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.04 : 787.26 = 360.70 : x
  2. Step 2: Convert to fraction form
    525.04/787.26 = 360.70/x
  3. Step 3: Cross multiply
    525.04x = 787.26 × 360.70
  4. Step 4: Simplify right side
    525.04x = 283,960.75
  5. Step 5: Solve for x
    x = 283,960.75/525.04
  6. Step 6: Final answer
    x = 540.84

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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.