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Finding the Fourth Proportional to 697.51, 1,044.93 and 350.00

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Solution

The fourth proportional to 697.51, 1,044.93 and 350.00 is: 524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.51 : 1,044.93 = 350.00 : x
  2. Step 2: Convert to fraction form
    697.51/1,044.93 = 350.00/x
  3. Step 3: Cross multiply
    697.51x = 1,044.93 × 350.00
  4. Step 4: Simplify right side
    697.51x = 365,719.61
  5. Step 5: Solve for x
    x = 365,719.61/697.51
  6. Step 6: Final answer
    x = 524.32

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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.