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Finding the Fourth Proportional to 973.02, 1,460.13 and 511.17

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Solution

The fourth proportional to 973.02, 1,460.13 and 511.17 is: 767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.02 : 1,460.13 = 511.17 : x
  2. Step 2: Convert to fraction form
    973.02/1,460.13 = 511.17/x
  3. Step 3: Cross multiply
    973.02x = 1,460.13 × 511.17
  4. Step 4: Simplify right side
    973.02x = 746,374.65
  5. Step 5: Solve for x
    x = 746,374.65/973.02
  6. Step 6: Final answer
    x = 767.07

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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.