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Finding the Fourth Proportional to 525.02, 787.91 and 352.02

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Solution

The fourth proportional to 525.02, 787.91 and 352.02 is: 528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.02 : 787.91 = 352.02 : x
  2. Step 2: Convert to fraction form
    525.02/787.91 = 352.02/x
  3. Step 3: Cross multiply
    525.02x = 787.91 × 352.02
  4. Step 4: Simplify right side
    525.02x = 277,360.08
  5. Step 5: Solve for x
    x = 277,360.08/525.02
  6. Step 6: Final answer
    x = 528.28

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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.