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Finding the Fourth Proportional to 536.72, 805.19 and 190.07

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Solution

The fourth proportional to 536.72, 805.19 and 190.07 is: 285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.72 : 805.19 = 190.07 : x
  2. Step 2: Convert to fraction form
    536.72/805.19 = 190.07/x
  3. Step 3: Cross multiply
    536.72x = 805.19 × 190.07
  4. Step 4: Simplify right side
    536.72x = 153,041.51
  5. Step 5: Solve for x
    x = 153,041.51/536.72
  6. Step 6: Final answer
    x = 285.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.