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Finding the Fourth Proportional to 400.07, 598.93 and 358.37

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Solution

The fourth proportional to 400.07, 598.93 and 358.37 is: 536.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.07 : 598.93 = 358.37 : x
  2. Step 2: Convert to fraction form
    400.07/598.93 = 358.37/x
  3. Step 3: Cross multiply
    400.07x = 598.93 × 358.37
  4. Step 4: Simplify right side
    400.07x = 214,638.54
  5. Step 5: Solve for x
    x = 214,638.54/400.07
  6. Step 6: Final answer
    x = 536.50

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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.