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Finding the Fourth Proportional to 762.04, 1,051.14 and 467.07

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Solution

The fourth proportional to 762.04, 1,051.14 and 467.07 is: 644.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    762.04 : 1,051.14 = 467.07 : x
  2. Step 2: Convert to fraction form
    762.04/1,051.14 = 467.07/x
  3. Step 3: Cross multiply
    762.04x = 1,051.14 × 467.07
  4. Step 4: Simplify right side
    762.04x = 490,955.96
  5. Step 5: Solve for x
    x = 490,955.96/762.04
  6. Step 6: Final answer
    x = 644.27

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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.