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Finding the Fourth Proportional to 507.98, 700.35 and 437.96

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Solution

The fourth proportional to 507.98, 700.35 and 437.96 is: 603.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.98 : 700.35 = 437.96 : x
  2. Step 2: Convert to fraction form
    507.98/700.35 = 437.96/x
  3. Step 3: Cross multiply
    507.98x = 700.35 × 437.96
  4. Step 4: Simplify right side
    507.98x = 306,725.29
  5. Step 5: Solve for x
    x = 306,725.29/507.98
  6. Step 6: Final answer
    x = 603.81

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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.