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Finding the Fourth Proportional to 607.68, 908.32 and 526.34

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Solution

The fourth proportional to 607.68, 908.32 and 526.34 is: 786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.68 : 908.32 = 526.34 : x
  2. Step 2: Convert to fraction form
    607.68/908.32 = 526.34/x
  3. Step 3: Cross multiply
    607.68x = 908.32 × 526.34
  4. Step 4: Simplify right side
    607.68x = 478,085.15
  5. Step 5: Solve for x
    x = 478,085.15/607.68
  6. Step 6: Final answer
    x = 786.74

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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.