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Finding the Fourth Proportional to 440.07, 599.37 and 438.72

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Solution

The fourth proportional to 440.07, 599.37 and 438.72 is: 597.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.07 : 599.37 = 438.72 : x
  2. Step 2: Convert to fraction form
    440.07/599.37 = 438.72/x
  3. Step 3: Cross multiply
    440.07x = 599.37 × 438.72
  4. Step 4: Simplify right side
    440.07x = 262,955.61
  5. Step 5: Solve for x
    x = 262,955.61/440.07
  6. Step 6: Final answer
    x = 597.53

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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.