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Finding the Fourth Proportional to 597.84, 895.08 and 405.12

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Solution

The fourth proportional to 597.84, 895.08 and 405.12 is: 606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.84 : 895.08 = 405.12 : x
  2. Step 2: Convert to fraction form
    597.84/895.08 = 405.12/x
  3. Step 3: Cross multiply
    597.84x = 895.08 × 405.12
  4. Step 4: Simplify right side
    597.84x = 362,614.81
  5. Step 5: Solve for x
    x = 362,614.81/597.84
  6. Step 6: Final answer
    x = 606.54

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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.