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Finding the Fourth Proportional to 762.00, 1,051.50 and 430.46

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Solution

The fourth proportional to 762.00, 1,051.50 and 430.46 is: 594.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    762.00 : 1,051.50 = 430.46 : x
  2. Step 2: Convert to fraction form
    762.00/1,051.50 = 430.46/x
  3. Step 3: Cross multiply
    762.00x = 1,051.50 × 430.46
  4. Step 4: Simplify right side
    762.00x = 452,621.28
  5. Step 5: Solve for x
    x = 452,621.28/762.00
  6. Step 6: Final answer
    x = 594.00

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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.