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Finding the Fourth Proportional to 613.37, 916.14 and 526.29

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Solution

The fourth proportional to 613.37, 916.14 and 526.29 is: 786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.37 : 916.14 = 526.29 : x
  2. Step 2: Convert to fraction form
    613.37/916.14 = 526.29/x
  3. Step 3: Cross multiply
    613.37x = 916.14 × 526.29
  4. Step 4: Simplify right side
    613.37x = 482,155.32
  5. Step 5: Solve for x
    x = 482,155.32/613.37
  6. Step 6: Final answer
    x = 786.08

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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.