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Finding the Fourth Proportional to 607.42, 839.02 and 502.93

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Solution

The fourth proportional to 607.42, 839.02 and 502.93 is: 694.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.42 : 839.02 = 502.93 : x
  2. Step 2: Convert to fraction form
    607.42/839.02 = 502.93/x
  3. Step 3: Cross multiply
    607.42x = 839.02 × 502.93
  4. Step 4: Simplify right side
    607.42x = 421,968.33
  5. Step 5: Solve for x
    x = 421,968.33/607.42
  6. Step 6: Final answer
    x = 694.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.