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Finding the Fourth Proportional to 607.64, 909.24 and 526.33

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Solution

The fourth proportional to 607.64, 909.24 and 526.33 is: 787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.64 : 909.24 = 526.33 : x
  2. Step 2: Convert to fraction form
    607.64/909.24 = 526.33/x
  3. Step 3: Cross multiply
    607.64x = 909.24 × 526.33
  4. Step 4: Simplify right side
    607.64x = 478,560.29
  5. Step 5: Solve for x
    x = 478,560.29/607.64
  6. Step 6: Final answer
    x = 787.57

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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.