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Finding the Fourth Proportional to 607.10, 833.76 and 508.68

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Solution

The fourth proportional to 607.10, 833.76 and 508.68 is: 698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.10 : 833.76 = 508.68 : x
  2. Step 2: Convert to fraction form
    607.10/833.76 = 508.68/x
  3. Step 3: Cross multiply
    607.10x = 833.76 × 508.68
  4. Step 4: Simplify right side
    607.10x = 424,117.04
  5. Step 5: Solve for x
    x = 424,117.04/607.10
  6. Step 6: Final answer
    x = 698.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.