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Finding the Fourth Proportional to 999.65, 1,498.59 and 537

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Solution

The fourth proportional to 999.65, 1,498.59 and 537 is: 805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    999.65 : 1,498.59 = 537 : x
  2. Step 2: Convert to fraction form
    999.65/1,498.59 = 537/x
  3. Step 3: Cross multiply
    999.65x = 1,498.59 × 537
  4. Step 4: Simplify right side
    999.65x = 804,742.83
  5. Step 5: Solve for x
    x = 804,742.83/999.65
  6. Step 6: Final answer
    x = 805.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.