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Finding the Fourth Proportional to 904.52, 1,353.71 and 700.00

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Solution

The fourth proportional to 904.52, 1,353.71 and 700.00 is: 1,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.52 : 1,353.71 = 700.00 : x
  2. Step 2: Convert to fraction form
    904.52/1,353.71 = 700.00/x
  3. Step 3: Cross multiply
    904.52x = 1,353.71 × 700.00
  4. Step 4: Simplify right side
    904.52x = 947,599.04
  5. Step 5: Solve for x
    x = 947,599.04/904.52
  6. Step 6: Final answer
    x = 1,047.62

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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.