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Finding the Fourth Proportional to 407.73, 607.75 and 404.54

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Solution

The fourth proportional to 407.73, 607.75 and 404.54 is: 603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.73 : 607.75 = 404.54 : x
  2. Step 2: Convert to fraction form
    407.73/607.75 = 404.54/x
  3. Step 3: Cross multiply
    407.73x = 607.75 × 404.54
  4. Step 4: Simplify right side
    407.73x = 245,859.19
  5. Step 5: Solve for x
    x = 245,859.19/407.73
  6. Step 6: Final answer
    x = 603.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.