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Finding the Fourth Proportional to 527.53, 787.60 and 465.23

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Solution

The fourth proportional to 527.53, 787.60 and 465.23 is: 694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.53 : 787.60 = 465.23 : x
  2. Step 2: Convert to fraction form
    527.53/787.60 = 465.23/x
  3. Step 3: Cross multiply
    527.53x = 787.60 × 465.23
  4. Step 4: Simplify right side
    527.53x = 366,415.15
  5. Step 5: Solve for x
    x = 366,415.15/527.53
  6. Step 6: Final answer
    x = 694.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.